Results 81 to 90 of about 50,344 (294)

Evaluación de la generación de biogas en rellenos sanitarios en Colombia en el marco del protocolo de Kyoto [PDF]

open access: yes, 2011
Los rellenos sanitarios son el resultado de la acumulación de desechos o residuos generados por las actividades de los seres humanos, los rellenos constituyen la segunda fuente más importante generadora de Gases de Efecto Invernadero, los cuales surgen ...
Ordoñez Ordoñez, María del Carmen
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Iron(III)‐loaded cation exchange resin: A dual approach for aqueous H2S removal and biogas desulphurization

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Left: Desulphurization method application. Right: Novel desulphurization method. Abstract The presence of hydrogen sulphide (H2S) in biogas poses significant environmental and operational challenges due to its corrosive and toxic properties. Thus, this study aimed to develop a dual‐function desulphurization system using a cation exchange resin (CIER ...
Matheus Damásio Thrun   +6 more
wiley   +1 more source

Estudio de producción de biogás por medio del proceso de digestión anaerobia no controlada a partir de diversos sustratos orgánicos [PDF]

open access: yes, 2016
La presente investigación tuvo como propósito desarrollar un estudio de producción de biogás por medio del proceso de digestión anaerobia no controlada a partir del aprovechamiento y caracterización de diversos sustratos orgánicos.
Casco Dávila, Dina Massiel   +2 more
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Mapping and Innovating Business Models of Food Hubs in Short Food Supply Chains

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Short food supply chains (SFSCs) offer sustainable alternatives to conventional food systems (CFSCs) but require effective intermediaries to scale and remain competitive. Food Hubs (FHs) serve this role by enhancing SFSC efficiency and market reach while upholding community‐oriented values. However, limited research has examined how FHs design
Marije Renkema‐Singh   +2 more
wiley   +1 more source

Tratamento anaeróbio de resíduos orgânicos com baixa concentração de sólidos Anaerobic treatment of organic wastes with low concentration of solids

open access: yesEngenharia Agrícola, 2009
Este trabalho foi realizado com o objetivo de avaliar o desempenho de reator anaeróbio compartimentado no tratamento de resíduos sólidos orgânicos com baixa concentração de sólidos.
Maria L. D. de Luna   +4 more
doaj   +1 more source

Biogás da agrosuinocultura: alternativa energética na borda do Pantanal. [PDF]

open access: yes, 2013
bitstream/item/79978/1/ADM138.pdfFormato eletronico. Disponível também em: Corumbá online, AgoraMS, Agronline, Campo Grande News, BBC News, Infobibos Energias Alternativas Renováveis (blog ...
ALMEIDA, J. A. R. de   +4 more
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Using Financial and Sustainability Ratios to Map Sectors. An Approach With Compositional Data

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT The article aims to visualize in a single graph Spanish fish and meat processing companies with respect to solvency, energy, waste and water intensity and gender employment gap. These financial, environmental, and social indicators are ratios, which require specific statistical analysis methods.
Elena Rondós‐Casas   +3 more
wiley   +1 more source

Experiências e potencialidades do biogás na Europa e em Portugal [PDF]

open access: yes, 2007
Num processo de degradação anaeróbia, promove-se a acção de um consórcio complexo de microrganismos, essencialmente constituido por bactérias, em condições de ausência de oxigénio.
Alves, M. M.
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Enhancement of the Plant‐Accessible Phosphate Fraction in Sewage Sludge Ashes by Na+ or K+ Addition Prior to Combustion

open access: yesChemSusChem, Volume 18, Issue 6, March 15, 2025.
The addition of Na2CO3 or K2CO3 to sewage sludge prior to combustion leads to the production of ashes containing phosphate in the form of buchwaldite‐like phases (Ca(Na/K)PO4). Compared to conventional sewage sludge mono‐ashes, such Na‐ or K‐ashes show greatly increased P‐solubilities and proved to be potent P‐fertiliser materials in greenhouse ...
Lorenz Bier‐Schorr   +4 more
wiley   +1 more source

Construcción de un biodigestor didáctico para la Estación Ciencias del Parque Tecnológico de Itaipú [PDF]

open access: yes, 2018
Trabalho final apresentado como parte das exigências para a obtenção do título de Bacharel em Engenharia de Energia pela Universidade Federal da Integração Latino-Americana. Orientador: Dra.
Freitas, Flávio Ferreira
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